Who has been buying Mr Max Holdings Ltd. stock?

5 distinct investors have filed 7 disclosed large-shareholding filings in Mr Max Holdings Ltd. (8203), most recently on 2025-08-01. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Mr Max Holdings Ltd. have?

Mr Max Holdings Ltd. has 7 buy-side and 2 sell-side disclosures on record, covering ¥5.6B ($35.8M) in total reported value, spanning 2022-07-29 to 2025-08-01.

Where does StockDrifts get Mr Max Holdings Ltd. insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Mr Max Holdings Ltd. 8203

Company

株式会社ミスターマックス・ホールディングスMr Max Holdings Ltd.

Investors

Buys

Total Value

¥5.6B ($35.8M)

Avg Return

+3.82%

Last Filing

2025-08-01

Mr Max Holdings Ltd. (8203) has 7 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥5.6B ($35.8M) in reported transaction value. The earliest filing StockDrifts holds for Mr Max Holdings Ltd. is dated 2022-07-29; the most recent is 2025-08-01. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is +3.82%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2025-08-01	BUY	Market Buy	株式会社WaizHoldings 代表取締役奥山紗季子 Waiz Holdings Co., Ltd.	strategic	11.3M	¥909	-19.7%	¥385M ($2.5M)
2025-07-15	BUY	Market Buy	株式会社WaizHoldings 代表取締役奥山紗季子 Waiz Holdings Co., Ltd.	strategic	10.8M	¥776	-5.9%	¥1.7B ($11.2M)
2024-10-22	SELL	unknown	平野泰啓 HIRANO YASUHIRO ALEX	unknown	282	¥715	-2.1%	¥4.6B ($29.8M)
2024-10-22	BUY	Market Buy	株式会社WaizHoldings Waiz Holdings Co., Ltd.	strategic	8.6M	¥715	+2.1%	¥4.6B ($29.7M)
2024-10-16	BUY	unknown	平野泰啓 HIRANO YASUHIRO ALEX	other	6.5M	¥727	+0.4%	¥4.7B ($30.3M)
2024-10-16	BUY	unknown	平野泰啓 HIRANO YASUHIRO ALEX	other	6.5M	¥727	+0.4%	¥4.7B ($30.3M)
2024-10-16	BUY	unknown	サウスダコタトラストカンパニーエルエルシー(South Dakota Trust Company LLC) South Dakota Trust Company LLC	strategic	0	¥727	+0.4%	¥4.7B ($30.2M)
2024-10-16	BUY	unknown	サウスダコタトラストカンパニーエルエルシー(South Dakota Trust Company LLC) South Dakota Trust Company LLC	strategic	0	¥727	+0.4%	¥4.7B ($30.2M)
2024-10-16	SELL	unknown	サウスダコタトラストカンパニーエルエルシー(South Dakota Trust Company LLC) South Dakota Trust Company LLC	strategic	0	¥727	-0.4%	¥5.6B ($35.9M)
2022-07-29	BUY	unknown	有限会社 Waiz Holdings Waiz Holdings Ltd.	strategic	400.0K	¥626	+16.6%	¥234M ($1.5M)
2022-07-29	BUY	unknown	平野能章 YOSHIAKI HIRANO	activist	1.1M	¥626	+16.6%	¥673M ($4.3M)
2022-07-29	BUY	unknown	株式会社WaizHoldings WaizHoldings Co.	strategic	2.2M	¥626	+16.6%	¥1.4B ($8.8M)
2022-07-29	BUY	unknown	平野能章 YOSHIAKI HIRANO	activist	1.1M	¥626	+16.6%	¥673M ($4.3M)
2022-07-29	BUY	unknown	有限会社 Waiz Holdings Waiz Holdings Ltd.	strategic	400.0K	¥626	+16.6%	¥234M ($1.5M)

Frequently asked questions

Who has been buying Mr Max Holdings Ltd. stock?: 5 distinct investors have filed 7 disclosed large-shareholding filings in Mr Max Holdings Ltd. (8203), most recently on 2025-08-01. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Mr Max Holdings Ltd. have?: Mr Max Holdings Ltd. has 7 buy-side and 2 sell-side disclosures on record, covering ¥5.6B ($35.8M) in total reported value, spanning 2022-07-29 to 2025-08-01.
Where does StockDrifts get Mr Max Holdings Ltd. insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Mr Max Holdings Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.